• WordNet 3.6
    • n phrenitis inflammation of the brain usually caused by a virus; symptoms include headache and neck pain and drowsiness and nausea and fever (`phrenitis' is no longer in scientific use)
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Webster's Revised Unabridged Dictionary
    • Phrenitis (Med) Inflammation of the brain, or of the meninges of the brain, attended with acute fever and delirium; -- called also cephalitis.
    • Phrenitis See Frenzy.
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Century Dictionary and Cyclopedia
    • n phrenitis In medicine, an inflammation of the brain or its meninges, attended with acute fever and delirium.
    • n phrenitis Delirium; frenzy.
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Chambers's Twentieth Century Dictionary
    • ns Phrenitis inflammation of the brain
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Webster's Revised Unabridged Dictionary
L., fr. Gr. , fr. ,
Chambers's Twentieth Century Dictionary
Gr. phrēn, the mind.


In literature:

Phrenitis, with all its horrors, had commenced.
"Wilson's Tales of the Borders and of Scotland" by Various
Would any rational practitioner, in a case of phrenitis, or in the delirium of fever, order his patient to be scourged?
"Observations on Madness and Melancholy" by John Haslam
On examination after death the ordinary appearances of fatal phrenitis manifest themselves, viz.
"A System of Midwifery" by Edward Rigby